Home / 236,972.18-355,520.52-85,184.66

Finding the Fourth Proportional to 236,972.18, 355,520.52 and 85,184.66

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Solution

The fourth proportional to 236,972.18, 355,520.52 and 85,184.66 is: 127,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,972.18 : 355,520.52 = 85,184.66 : x
  2. Step 2: Convert to fraction form
    236,972.18/355,520.52 = 85,184.66/x
  3. Step 3: Cross multiply
    236,972.18x = 355,520.52 × 85,184.66
  4. Step 4: Simplify right side
    236,972.18x = 30,284,894,619.22
  5. Step 5: Solve for x
    x = 30,284,894,619.22/236,972.18
  6. Step 6: Final answer
    x = 127,799.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.